ATMEGA645A-AU Atmel, ATMEGA645A-AU Datasheet - Page 576
![IC MCU AVR 64K FLASH 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA645A-AU
Manufacturer Part Number
ATMEGA645A-AU
Description
IC MCU AVR 64K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA645A-AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA645A-AUR
Manufacturer:
HONEYWELL
Quantity:
101
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29.8.11
576
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Internal Oscillator Speed
Figure 29-470.ATmega645P: Bandgap Voltage vs. Temperature
Figure 29-471.ATmega645P: Watchdog Oscillator Frequency vs. V
1.108
1.106
1.104
1.102
1.098
1.096
1.094
1.092
1290
1260
1230
1200
1170
1140
1110
1080
1050
1.11
1.1
1.5
-45
-35
2
-25
-15
2.5
-5
3
5
Temperature (°C)
15
V
CC
3.5
(V)
25
35
3.3 V
4
45
4.5
55
CC
65
5
75
5.5
85
8285B–AVR–03/11
-45 °C
1.8 V
5.0 V
5.5 V
25 °C
85 °C
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